349814393273 has 2 divisors, whose sum is σ = 349814393274. Its totient is φ = 349814393272.

The previous prime is 349814393239. The next prime is 349814393303. The reversal of 349814393273 is 372393418943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210081972409 + 139732420864 = 458347^2 + 373808^2 .

It is a cyclic number.

It is not a de Polignac number, because 349814393273 - 2⁶ = 349814393209 is a prime.

It is not a weakly prime, because it can be changed into another prime (349814396273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174907196636 + 174907196637.

It is an arithmetic number, because the mean of its divisors is an integer number (174907196637).

Almost surely, 2^349814393273 is an apocalyptic number.

It is an amenable number.

349814393273 is a deficient number, since it is larger than the sum of its proper divisors (1).

349814393273 is an equidigital number, since it uses as much as digits as its factorization.

349814393273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11757312, while the sum is 56.

The spelling of 349814393273 in words is "three hundred forty-nine billion, eight hundred fourteen million, three hundred ninety-three thousand, two hundred seventy-three".